Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=015c8dd0cb3b380cb4c3930968250c719d1dd303
Commit:     015c8dd0cb3b380cb4c3930968250c719d1dd303
Parent:     4891645e764d2e181b834509a689fcd12e890c10
Author:     Jeremy Fitzhardinge <[EMAIL PROTECTED]>
AuthorDate: Wed Jan 30 13:32:58 2008 +0100
Committer:  Ingo Molnar <[EMAIL PROTECTED]>
CommitDate: Wed Jan 30 13:32:58 2008 +0100

    xen: mask out PWT too
    
    The hypervisor doesn't allow PCD or PWT to be set on guest ptes, so
    make sure they're masked out.  Also, fix up some previous mispatching.
    
    Signed-off-by: Jeremy Fitzhardinge <[EMAIL PROTECTED]>
    Signed-off-by: Ingo Molnar <[EMAIL PROTECTED]>
    Signed-off-by: Thomas Gleixner <[EMAIL PROTECTED]>
---
 arch/x86/xen/mmu.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 52f3928..3e9e095 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -291,7 +291,7 @@ pte_t xen_make_pte(unsigned long pte)
        if (pte & _PAGE_PRESENT)
                pte = phys_to_machine(XPADDR(pte)).maddr;
 
-       pte &= ~_PAGE_PCD;
+       pte &= ~(_PAGE_PCD | _PAGE_PWT);
 
        return (pte_t){ pte };
 }
-
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